GUYS I REALLY NEED HELP!! THE STRUGGLE!! Christina is randomly choosing three movies to take on vacation from nine action movies, seven science fiction movies, and four comedies. Which statement is true? The probability that Christina will choose three comedies can be expressed as .1/ 4^C3 The probability that Christina will choose three action movies can be expressed as .20^C3/ 9^C3 The probability that Christina will not choose all comedies can be expressed as 1 − 4^C3/ 20^C4. The probability that Christina will not choose all action movies can be expressed as 1 − 9^C3/20^C3

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general 11 months ago 2462

A worker at the zoo calculates the amount of fish, in pounds, needed in the weekly diet of an eagle and a bear.·The eagle eats 6 pounds of food each week, and 60% of that weight must be fish.·The bear eats 105 pounds of food each week, and 25% of that weight must be fish.PART AWhat is the total number of fish, in pounds, that the eagle and bear should eat each week? Round your answer to the nearest hundredth of a pound.PART BThe zoo increases the amount of food that the bear eats each week to 115 pounds. What is the percent increase in the amount of food that the bear eats each week? Round your answer to the nearest tenth of a percent.

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general 11 months ago 8431

A certain four​-cylinder combination lock has 50 numbers on it. to open​ it, you turn to a number on the first​ cylinder, then to a second number on the second​ cylinder, and then to a third number on the third cylinder and so on until a four​-number lock combination has been affected. repetitions are​ allowed, and any of the 50 numbers can be used at each step to form the combination.​ (a) how many different lock combinations are​ there

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general 11 months ago 9030

These are the fees for sending a package by Media Mail: $\bullet$ $\$2.41$ for the first pound $\bullet$ $\$0.41$ per additional pound for the next six pounds $\bullet$ $\$0.39$ per additional pound after that For example, a two-pound package costs $\$2.82$ to send by Media Mail. If a package full of books costs $\$7.99$ to send by Media Mail, how many pounds does the package weigh? Explain your work in complete sentences. Formatting tip: To write a dollar sign, use $\verb#\$#$. If you use just $, the homework system will think that is $\LaTeX$. Please review your solution for formatting problems.

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general 11 months ago 6316